Gnephosis

Erect yellow-heads
Gnephosis arachnoidea
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Asterales
Family:	Asteraceae
Subfamily:	Asteroideae
Tribe:	Gnaphalieae
Genus:	Gnephosis Cass.
Type species
Gnephosis tenuissima Cass. [1]
Synonyms [1]
Chrysocoryne Endl. Craspedia sect. Gnephosis (Cass.) Baill. Crossolepis Benth. nom. illeg., nom. superfl. Crossolepsis N.T.Burb. orth. var. Cyathopappus F.Muell. Nematopus A.Gray PachysuraF.Muell. orth. var. Pachysurus Steetz Angianthusauct. non J.C.Wendl.: Bentham, G. (5 January 1867)

Gnephosis is a genus of about sixteen flowering plants in the family Asteraceae, all endemic to Australia. Plants in the genus Gnephosis are hairy annual herbs, the upper leaves arranged alternately, the lower leaves sessile and arranged in opposite pairs. The flowers are arranged in narrowly elliptic to oblong heads with up to 300 flowers, each with up to 16 bisexual florets. The achenes are pink or pale purple and more or less cone-shaped, sometimes without a pappus. ^[2]

Taxonomy

The genus Gnephosis was first formally described in 1820 by Henri Cassini in the Bulletin des Sciences par la Société Philomatique de Paris , and the first species he described (the type species) was Gnephosis tenuissima . ^{[3] [4]}

Distribution

Plants in the genus Gnephosis occur in all Australian states and the Northern Territory. ^{[2] [1]}

Species list

The following is a list of Gnephosis species accepted by the Australian Plant Census as at 6 May 2025: ^[5]

• Gnephosis acicularis Benth. – zigzag gnephosis (W.A.)
• Gnephosis angianthoides (Steetz) Anderb. (W.A.)
• Gnephosis arachnoidea Turcz. – erect yellow-heads, cobwebby-headed gnephosis (W.A., N.T., S.A., Qld., N.S.W.)
• Gnephosis brevifolia (A.Gray) Benth. – short-leaved gnephosis (W.A.)
• Gnephosis cassiniana P.S.Short (W.A.)
• Gnephosis drummondii (A.Gray) P.S.Short (W.A., S.A., Vic.)
• Gnephosis eriocarpa (F.Muell.) Benth. – native camomile (N.S.W., S.A., N.T.)
• Gnephosis gynotricha Diels (W.A.)
• Gnephosis macrocephala Turcz. (W.A.)
• Gnephosis multiflora (P.S.Short) P.S.Short (W.A.)
• Gnephosis newbeyi P.S.Short (W.A.)
• Gnephosis setifera P.S.Short (W.A.)
• Gnephosis tenuissima Cass. – dwarf cup flower (W.A., S.A., N.T., N.S.W., Qld., Vic.)
• Gnephosis tridens (P.S.Short) P.S.Short (W.A.)
• Gnephosis trifida (P.S.Short) P.S.Short (W.A.)
• Gnephosis uniflora (Turcz.) P.S.Short

References

1. "Gnephosis". Australian Plant Census. Retrieved 6 May 2025.
2. Brown, Elizabeth A. "Genus Gnephosis". Royal Botanic Garden, Sydney. Retrieved 6 May 2025.
3. "Gnephosis". Australian Plant Name Index. Retrieved 5 May 2025.
4. Cassini, Henri A.H.G. (1820). "Description d'un nouveau genre de plantes (Gnephosis)". Bulletin des Sciences par la Société Philomatique de Paris: 43–44. Retrieved 7 May 2025.
5. "Gnephosis". Australian Plant Census. Retrieved 7 May 2025.